Registry Cleaner
Registry Cleaner is a powerful registry cleaner and registry optimizer, it speeds up your PC by cleaning your Windows Registry. It removes the junk that accumulates in your Windows Registry. With Registry Cleaner you just need a few mouse clicks and your computer can become as good as a brand new computer.

Registry Defragmenter
The Windows Registry grows as data is added to it, but it never shrinks when data is removed. A bloated registry with a lot of empty space in it can slow down the boot time as well as performance as whole. Registry Defragmenter will rebuild and re-index your registry to eliminate structural mistakes and corruption.

Disk Space Analyzer
Disk Space Analyzer is an easy to use program that can help you to analyze disk space usage. It shows directory tree along with the size information (including graphical diagrams). You can use Disk Space Analyzer to easily explore and analyze disk and search for duplicated files on your disks.